Cited by 41Aquaculture disease management and microbiotaZebrafish Biomedical Research ApplicationsAquaculture Nutrition and Growth

Translocation of nanoparticles and Mycobacterium marinum across the intestinal epithelium in zebrafish and the role of the mucosal immune system

Løvmo, Signe Dille, Speth, Martin Tobias, Repnik, Urska, Koppang, Erling Olaf, Griffiths, Gareth Wyn, Hildahl, Jon Paul·2017·Developmental & Comparative Immunology

Abstract

Nano- and microparticles are promising carrier systems for oral delivery of drugs or vaccines, particularly in fish aquaculture. However, the mechanisms of uptake, trans-epithelial transport and immune response to nano/micrometer sized particles, or microorganisms such as bacteria are poorly understood in fish. Here, adult zebrafish were used to study the uptake of different nano- and microparticles and the pathogenic bacteria Mycobacterium marinum in the intestine, and their interactions with epithelial cells and the mucosal immune system. Fluorescent particles or bacteria were delivered directly into the adult zebrafish intestine by oral intubation and their localization was imaged in intestine, liver and spleen sections. Zebrafish do not appear to have M-cells, but both nanoparticles and bacteria were rapidly taken up in the intestine and transported to the liver and spleen. In each tissue, both bacteria and particles largely localized to leukocytes, presumably macrophages.

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Crossref · 10.1016/j.dci.2016.06.016

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Authors
Løvmo, S. D., Speth, M. T., Repnik, U., Koppang, E. O., Griffiths, G. W., & Hildahl, J. P.
Affiliations
  • University of Oslo (NO)
  • Norwegian University of Life Sciences (NO)
Corresponding author
Griffiths, Gareth Wyn
Venue
Developmental & Comparative Immunology
Publisher
Elsevier BV
Published
2017-02
Volume
67
Pages
508-518
ISSN
0145-305X (ISSN-L)
OpenAlex
W2468720188
Cited by
41
References
79
Citations by year
2026: 2 · 2025: 7 · 2024: 1 · 2023: 4 · 2022: 4 · 2021: 4 · 2020: 6 · 2019: 4 · 2018: 6 · 2017: 3
FWCI
2.61
Type
journal article
Language
en
Open access
closed
Locations
  • Developmental & Comparative Immunology (publishedVersion)
  • PubMed (publishedVersion)
Funders
Norwegian Research Council (143575, 143686)
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › Aquaculture disease management and microbiota
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Zebrafish Biomedical Research Applications
  • Life Sciences › Agricultural and Biological Sciences › Aquatic Science › Aquaculture Nutrition and Growth
Keywords
nanoparticle translocation, Mycobacterium marinum, intestinal epithelium, zebrafish, mucosal immune system, oral drug delivery, fish farming, M cells, macrophages, leukocytes, intestinal absorption, oral immunization
MeSH terms
Animals, Biological Transport, Cells, Cultured, Fish Diseases, Intestinal Mucosa, Mycobacterium Infections, Nontuberculous, Zebrafish, Drug Delivery Systems, Antigen Presentation, Immunity, Mucosal, Bacterial Translocation, Mycobacterium marinum, Enterocytes, Nanoparticles, Transendothelial and Transepithelial Migration

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